Finding the Fourth Proportional to 21,652,313.10, 29,880,191.42 and 11,863,128.57
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Solution
The fourth proportional to 21,652,313.10, 29,880,191.42 and 11,863,128.57 is: 16,371,117.07
Step by Step Solution
- Step 1: Write the proportion equation
21,652,313.10 : 29,880,191.42 = 11,863,128.57 : x - Step 2: Convert to fraction form
21,652,313.10/29,880,191.42 = 11,863,128.57/x - Step 3: Cross multiply
21,652,313.10x = 29,880,191.42 × 11,863,128.57 - Step 4: Simplify right side
21,652,313.10x = 354,472,552,511,670.88 - Step 5: Solve for x
x = 354,472,552,511,670.88/21,652,313.10 - Step 6: Final answer
x = 16,371,117.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.